![[12/19 10 PM Sale] [Limited to 10 Stones] Zimbabwean Bicolor Euclase, Bicolor Sapphire, and More Bicolor Gacha 💎 Single Loose Stone [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/3_4a75e5d4-cac2-4117-b097-242c5719f969.png?v=1765357628&width=2000)
![[12/13 22:00] Brazilian Dumortierite in Quartz 1.779ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052164_42ad1654-2515-4b7b-b323-95e863cc8ff9.jpg?v=1765587852&width=4000)
![[On Sale at 10 PM on December 7th] Rainbow Garnet (Andradite Garnet) 2.365ct Loose Stone from Tenkawa Village, Nara Prefecture](http://store.karatz.jp/cdn/shop/files/PC042583_ed14c696-0ca4-428b-b133-1d94fcdbc792.jpg?v=1765631180&width=3170)
![[12/14 22:00 Sale] Rainbow Garnet (Andradite Garnet) 6.7mm/1.488ct Loose Stone from Tenkawa Village, Nara Prefecture](http://store.karatz.jp/cdn/shop/files/PC042544_6ede3236-d3e4-44d5-a190-93898fe1bd84.jpg?v=1765631000&width=4000)
![[On Sale at 10 PM on December 7th] Rainbow Garnet (Andradite Garnet) 5.4mm/0.771ct Loose Stone from Tenkawa Village, Nara Prefecture](http://store.karatz.jp/cdn/shop/files/PC042513.jpg?v=1765589719&width=4000)
![[12/13 22:00 Sale] Tanzanite from Tanzania 0.436ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052723_f3d01ab6-8f8c-4558-a15e-96c2758ed7b1.jpg?v=1765587394&width=2909)
[12/13 22:00 Sale] Tanzanite from Tanzania 0.436ct Loose Stone
Sale price¥8,800
![[12/13 22:00 Sale] Tanzanite from Tanzania 0.467ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052703_85686e54-1c03-458b-9c70-c039b92a9c68.jpg?v=1765587507&width=4000)
[12/13 22:00 Sale] Tanzanite from Tanzania 0.467ct Loose Stone
Sale price¥9,800
![[12/7 22:00] Sri Lankan Yellow Sapphire 0.508ct Loose](http://store.karatz.jp/cdn/shop/files/PC052414.jpg?v=1765588082&width=4000)
![[12/9 22:00 Sale] Sinhalite from Sri Lanka 0.658ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC042918_2697ab93-670d-4b82-a046-48a4a6dae96e.jpg?v=1765631495&width=2928)
![[12/6 22:00 Sale] Blue Coral (75.469ct) Loose Stone](http://store.karatz.jp/cdn/shop/files/PC021393.jpg?v=1766550634&width=4000)
![[12/12 22:00 Sale] Tanzanian Kornerupine 2.7mm/0.075ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC032398.jpg?v=1765589629&width=4000)
![[12/10 22:00 Sale] Pakistani Ludwigite Peridot 0.609ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC032326.jpg?v=1765630680&width=4000)
![[12/12 22:00 Sale] Mali Garnet (Grossular/Andradite Garnet) 0.811ct Loose Stone from the Republic of Mali with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/PC031939.jpg?v=1765589124&width=4000)
![[12/14 22:00] Colombian Emerald 3.0mm/0.098ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC032274_4ad52845-33a8-4e43-b38f-58faad0568af.jpg?v=1765630554&width=4000)
![[12/14 22:00 Sale] Chinese Cinnabar 1.062ct Loose Stone with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/PB070084.jpg?v=1765675256&width=4000)
![[12561731] Oregon Sunstone from the United States, 0.685ct Loose](http://store.karatz.jp/cdn/shop/files/PC251256_0508040a-035b-45e1-bd57-e3f12fff88e1.jpg?v=1767910815&width=3356)
[12561731] Oregon Sunstone from the United States, 0.685ct Loose
Sale price¥39,800
![[12/22 22:00] Sri Lankan Blue Sapphire 0.645ct Loose](http://store.karatz.jp/cdn/shop/files/PC094150_085972b7-dff6-42bb-8830-f50e160129b5.jpg?v=1766288263&width=3010)
![[12/22 22:00] Australian Black Opal 0.623ct Loose](http://store.karatz.jp/cdn/shop/files/PC104792_b012bb72-9a2e-4edc-9073-945d6e29acd1.jpg?v=1766288265&width=3223)
![[12561703] Kenyan Tsavorite 0.806ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC094018_8f576a5d-1bc3-42b7-ac49-d7f247927092.jpg?v=1767825176&width=3169)
[12561703] Kenyan Tsavorite 0.806ct Loose Stone
Sale price¥39,800
![[12561702] Sri Lankan star sapphire 3.317ct loose](http://store.karatz.jp/cdn/shop/files/PC105054.jpg?v=1767910913&width=4000)
[12561702] Sri Lankan star sapphire 3.317ct loose
Sale price¥59,800
![[12561701] Australian black opal 0.825ct loose](http://store.karatz.jp/cdn/shop/files/PC104603.jpg?v=1767104206&width=4000)
![[12561691] Mexican Cantera Opal 8.432ct Loose](http://store.karatz.jp/cdn/shop/files/PC094449.jpg?v=1767824877&width=4000)
[12561691] Mexican Cantera Opal 8.432ct Loose
Sale price¥39,800
![[12/19 22:00 Sale] Madagascar Bicolor Sapphire 4.5mm/0.637ct Loose](http://store.karatz.jp/cdn/shop/files/PC093451.jpg?v=1766099374&width=4000)
![[12/19 22:00 Sale] Madagascar Bicolor Sapphire 3.6mm/0.232ct Loose](http://store.karatz.jp/cdn/shop/files/PC093361_cb3d810e-734e-4b87-a145-ee00b9282808.jpg?v=1765933327&width=2815)
![[12/19 22:00 Sale] Brazilian Dumortierite in Quartz 1.995ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC093289.jpg?v=1765933121&width=4000)
![[12/17 22:00] Brazilian Dumortierite in Quartz 1.924ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC093131.jpg?v=1765758430&width=4000)
![[Available at 10 PM on December 13th] Limited to 9 stones: Australian Black Opal (including semi-black opal) Loose Stone Gacha (Includes 1 bonus white opal) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_49cd177f-5e60-4b58-a9ce-7d57e5ac3901.png?v=1765431388&width=2250)
![[12561486] Peridot 0.334ct loose stone](http://store.karatz.jp/cdn/shop/files/PC052248.jpg?v=1767484195&width=4000)
![[12561456] Golden Sapphire 0.649ct Loose](http://store.karatz.jp/cdn/shop/files/PC052449_a4b861d7-9f5a-4c81-99af-2ee7df8e864c.jpg?v=1767825067&width=3343)
[12561456] Golden Sapphire 0.649ct Loose
Sale price¥29,800
![[12561452] Synthetic sapphire 2.393ct loose stone](http://store.karatz.jp/cdn/shop/files/PC240349_7b32e96f-e6e1-40c1-a8df-2ca3e00b09d5.jpg?v=1767308435&width=3146)
Cornell pin from Tanzania 0.523ct loose
Sale price¥7,980
Why not take your favorite gemstone that you found at KARATZ and have it made into custom-made jewelry? It will be made by skilled Japanese craftsmen.
We carefully craft each piece of jewelry, starting with the stone setting, to match the individual characteristics of the gemstone.
So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.
KARATZ's Initiatives and Social Contributions
We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.
KARATZ Books
These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.
jeweler's tools
For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.